https://purengom.com/2008/05/06/tv-%eb%89%b4%ec%8a%a4%eb%a5%bc-%eb%b3%b4%eb%8b%a4%ea%b0%80-%eb%ac%b4%ec%8b%ac%ea%b2%b0%ec%97%90-%ec%83%9d%ea%b8%b0%eb%8a%94-%ec%a7%80%ec%97%ad-%eb%b6%84%ea%b6%8c%ec%97%90-%eb%8c%80%ed%95%9c-%ec%83%9d/